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Makita CG140 manual

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Table of contents for the manual

  • Page 1

    PRODUCT C ONCEPT AND MAIN APPLICA TIONS S pecification BCG140 / BCG180 (LXGC01 * 1 ) Cordless Caulking Gun Model BCG140 and BCG180 are Cordless Caulking Guns powered by 14.4V/18V Li-ion battery . They are compatible with the following sealants by changing Holder and Piston: • 300ml/ 600ml cartridge • Sausage pack • Bulk sealant Their other ma[...]

  • Page 2

    P 2 / 11 R epair [1] NECESSAR Y REP AIRING TOOLS CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”. [2] LUBRICA TION Apply Seal lubricant No.101 to the following portions designated with the black triangle to protect parts and product from unusual abrasion. Code No. Description Use for 1R026 Bearin[...]

  • Page 3

    P 3 / 11 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -1. Rack Complete [3] -2. Motor Complete, Gear Assembly DISASSEMBLING ASSEMBLING Disassemble Rack complete as drawn in Fig. 2 . (1) Disassemble the drive section (Gear assembly , Motor complete) as drawn in Fig. 3 . Assemble by reversing the disassembly procedure. (Refer to Fig. 2 ) Fig. 2 Fig. 3 M3x1[...]

  • Page 4

    P 4 / 11 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -2. Motor Complete, Gear Assembly (cont.) DISASSEMBLING (2) Remove Motor complete from Gear assembly as drawn in Fig. 4 . (3) Disassemble component parts of Gear assembly from Gear housing as drawn in Fig. 5 . Fig. 4 Fig. 5 Synchro belt 4-176 Motor complete Gear assembly Spur gear 9A complete Slotted [...]

  • Page 5

    P 5 / 11 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -2. Motor Complete, Gear Assembly (cont.) DISASSEMBLING (4) Remove Spur gear 10 and Ball bearings from Gear housing as drawn in Fig. 6 . (5) Ball bearing 6803LLU still remains in Gear housing in the step of Fig. 6 . This ball bearing can be removed as drawn in Fig. 7 . Fig. 6 Fig. 7 Spur gear 10, remo[...]

  • Page 6

    P 6 / 11 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -2. Motor Complete, Gear Assembly (cont.) ASSEMBLING (1) Assemble Ball bearing 6803LLU to Gear housing. Refer to the drawing on the left in Fig. 7 . (2) Mount Ball bearing 6806LLU to Spur gear 10. Refer to the drawing on the bottom in Fig. 6 . (3) Assemble the Spur gear 10 section to Gear housing. Ref[...]

  • Page 7

    P 7 / 11 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -2. Motor Complete, Gear Assembly (cont.) ASSEMBLING Fig. 10 (7) Assemble the parts on the Flat washer 12 side to Gear housing as drawn in Fig. 10 . Spur gear 19A Spur gear 19A Internal gear 48 Spur gear 9B complete Spur gear 9C complete Flat washer 12 Motor complete Gear assembly Synchro belt 4-176 S[...]

  • Page 8

    P 8 / 11 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -2. Motor Complete, Gear Assembly (cont.) ASSEMBLING Fig. 12 Fig. 1 1 (9) When replacing the whole Gear assembly , use new Gear assembly as drawn in Fig. 12 . (8) Assemble the driving section (Gear assembly and Motor complete) to Housing (L) complete as drawn in Fig. 1 1 . Compression spring 6 3. Gear[...]

  • Page 9

    P 9 / 11 C ircuit diagram White Sub controller Dial Red point mark DC motor has to be mounted so that its Red point mark is located to Sub controller side. W arning lamp Blue Y ellow Gray Color index of lead wires' sheath Black Red Switch DC Motor LED Job light Controller T erminal Fig. D-1[...]

  • Page 10

    P 10/ 11 W iring diagram Fig. D-2 Fig. D-3 Wiring of Lead wir es of Sub Controller (V iewed from Housing (R) side) Inner wall Sub controller リブ Rib Housing set (L) Red point mark Wiring of DC motor’ s Lead wires Gear assembly (V iewed from Housing (L) side) Flag terminals have to be connected so that their wire connecting portions are faced t[...]

  • Page 11

    P 11 / 11 W iring diagram Fig. D-4 Wiring in Housing set (L) (V iewed from Housing (R) side) Sub controller Line filter Rib B Rib A Lead wire holder Connector T erminal Switch Rib C Controller Route Sub controller ’ s lead wires (black, white, red, blue) through this Lead wire holder . Route Sub controller ’ s lead wires (black, white, red, blu[...]